The original dust cover was broken, so I redesigned it. Laser processing of acrylic plate 3 mm is necessary. Also prepared for 3D printable data for those who can not be laser processed.
The mounting size of the spindle is slightly smaller than 56 mm. The length of the pipe can be replaced depending on the use situation.
A lot of M3 screws are required for assembly. Finally, you need to attach the brush. If adhesion is not good, wrap a string in the groove and bond it.
CNC uses this.